[cisco-voip] 8941 SCCP 9.2.3.5 on 8.6 - One suddenly going Phone Not Registered

[Matthew Ballard]

Thank you everyone who responded for the feedback.

On closer inspection it does appear to be a physical issue.  I moved the user to a new port (I found some issues with the port they were connected to) and replaced the patch cable on the office end.  Hopefully the issue goes away.

Matthew


From: Ed Leatherman [mailto:ealeatherman at gmail.com]
Sent: Wednesday, November 12, 2014 6:13 AM
To: Terry Oakley
Cc: Charles Goldsmith; Matthew Ballard; 'cisco-voip at puck.nether.net' (cisco-voip at puck.nether.net)
Subject: Re: [cisco-voip] 8941 SCCP 9.2.3.5 on 8.6 - One suddenly going Phone Not Registered


I would definitely rule out a physical or switch issue first. Might be something as simple as a loose RJ45 connector causing the phone to drop and when she reinserts it, it makes contact again.

I believe you can look for "Last=" in the phone status logs or in CUCM syslog for that device and see a reason code which may help. If that is the only phone that is exhibiting this behavior, it seems like investigating local to the phone might be the best approach initially.

On Tue, Nov 11, 2014 at 10:44 PM, Terry Oakley <Terry.Oakley at rdc.ab.ca<mailto:Terry.Oakley at rdc.ab.ca>> wrote:
What model of phone set?   We have had some 7941’s with faulty hookswitch mechanisms that have disconnected the call midstream.   The spring in the mechanism allows the hookswitch to be mimic being pressed/fall down.    This of course does not account for the Phone not Registered status.  We have also found that patch cords can make a difference in the reliability of the network connection which causes for us the unregistered status.

Terry

From: cisco-voip [mailto:cisco-voip-bounces at puck.nether.net<mailto:cisco-voip-bounces at puck.nether.net>] On Behalf Of Charles Goldsmith
Sent: November-11-14 7:25 PM
To: Matthew Ballard
Cc: 'cisco-voip at puck.nether.net<mailto:cisco-voip at puck.nether.net>' (cisco-voip at puck.nether.net<mailto:cisco-voip at puck.nether.net>)
Subject: Re: [cisco-voip] 8941 SCCP 9.2.3.5 on 8.6 - One suddenly going Phone Not Registered

The phone won't disconnect a call and I've never heard of that happening, other than network issues.  I'd check layer1 and 2.  Could be a bad cable or a cable that has been pinched or damaged

On Tue, Nov 11, 2014 at 6:31 PM, Matthew Ballard <mballard at otis.edu<mailto:mballard at otis.edu>> wrote:
I’ve received a report from a user that her phone has now twice (once yesterday in the middle of a call, once today) has suddenly gone to Phone Not Registered (interrupting the phone call).

Has anyone ever seen that happen before?  No one else has reported that issue (and I use one myself), and it has been running fine for months without issue.  Also, if she unplugs and re-plugs it back in, it comes up fine.

Matthew Ballard
Network Manager
Otis College of Art and Design
310-665-6929<tel:310-665-6929>
mballard at otis.edu<mailto:mballard at otis.edu>


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--
Ed Leatherman
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